★37 different precise scewdriver bits meet your multiple demands
★All bits are made of premium chrome/ vanadium steel(6150#) with heat treatment
★Comes with an extension shaft which can be easily inserted into the handle for length adjustment
★The handle has ergonomic design, making your operation more convenient and efficient
★Includes a tweezer to help your repair and replacement work
★Comes with a portable and solid plastic box with user-friendly "open" buttonSpecification
★Weight:341 g
★Box Size: 17.3*11.5*3.3cm